Debian / Ubuntu Linux Static IP Configuration

Edit /etc/hostname, enter:
# cat /etc/hostname
Sample ip config:

  server1.cyberciti.biz  

Edit /etc/network/interfaces, enter:
# cat /etc/network/interfaces
Sample static ip config:

  iface eth0 inet static    

address 192.168.1.10    

network 192.168.1.0    

netmask 255.255.255.0    

broadcast 192.168.1.255    

gateway 192.168.1.254  

Edit /etc/resolv.conf and setup DNS servers, enter:
# cat /etc/resolv.conf
Sample dns static IP configurations:

  search cyberciti.biz

nameserver 192.168.1.254

nameserver 8.8.8.8

nameserver 202.54.2.5  

Finally, you need to restart the networking service under Debian / Ubuntu Linux, enter:
# /etc/init.d/networking restart
Type the following commands to verify your new setup, enter:
# ifconfig eth0
# route -n
# ping google.com